Yoyo slice

Name: Yoyo slice
Prep time: 1 h 30 min
Cook time: 2 h 30 min
Total time: 2 h 30 min
Yield: 10 portions
Ingredients: 500 g full cream milk; 50 g semolina; 150 g white sugar; 250 g unsalted butter; 1 tsp natural vanilla extract; 300 g pitted prunes; 100 g water; 1 tbsp lemon juice; 250 g unsalted butter; 500 g plain flour; 1 egg; 60 g icing sugar; 1 tsp natural vanilla extract; 1 tsp bicarbonate of soda; 2 tbsp honey